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Gintani is proud to introduce our full F8X M3/M4 ECU tune. With full access to the DME (Engine ECU) and great understanding of it our team has achieved great power and unlocked features such as cold...

Our first set we installed on our test car has put on approximately 350+ miles without a CEL light coming on. We've made our o2 sensor bungs on our down pipes with a special design which we have been...